Free CA Water Operator Exam Prep
California Water/Wastewater Operator Certification Exam
Prepare for the CA Water Operator exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
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State-Specific Content Only
This covers California-specific laws and requirements. Most Water / Wastewater Operator exams have both national and state portions.
Study National Concepts FirstFree CA Water Operator Prep Tools
100 Practice Questions
California-specific questions on SWRCB grades, Title 22, treatment, wastewater, and distribution systems
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Get contextual hints and wrong-answer explanations powered by AI
2026 Updated
Reflects current SWRCB certification, Title 22, PFAS regulations, and California water law
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All 100 practice questions are free — no account required
What You'll Study
18 chapters covering the exam topics in this guide
Chapter 1: California Water Regulatory Framework & Certification Ladders
6 sections
Chapter 2: California Water Rights, Title 22 & Environmental Policy
3 sections
Chapter 3: Drinking Water Source Quality & Coagulation/Flocculation
5 sections
Chapter 4: Clarification & Granular Media Filtration
3 sections
Chapter 5: Disinfection, Oxidation & Advanced Water Treatment
9 sections
Chapter 6: Wastewater Preliminary & Primary Treatment
4 sections
Chapter 7: Secondary Biological Treatment & Activated Sludge
4 sections
Chapter 8: Biological Nutrient Removal, Water Reuse & Solids Handling
5 sections
Chapter 9: Distribution Systems, Collection Networks & Hydraulics
4 sections
Chapter 10: Laboratory Analytics, Safety & Water Math
4 sections
Chapter 11: Federal & California Drinking Water Rules
6 sections
Chapter 12: Distribution System Design, Demand & Hydraulics
5 sections
Chapter 13: Distribution Equipment Operation, Maintenance & Inspection
6 sections
Chapter 14: Water Mains, Piping & Field Construction
6 sections
Chapter 15: Disinfecting Distribution Facilities & Maintaining Water Quality
4 sections
Chapter 16: Plant Equipment, Chemical Feed & Maintenance
5 sections
Chapter 17: Utility Management, Administration & Emergency Response
6 sections
Chapter 18: Applied Operator Mathematics Workshop
3 sections
CA Water Operator Exam Details
California Water/Wastewater Operator Certification Exam
Administered by State Water Resources Control Board (SWRCB)
What's Included
18 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required
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